Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2010). "Prevalence of different parasomnias in the general population". Sleep Medicine. 11 (10): 1031–4. doi:10.1016/j.sleep.2010.07.011. PMID21093361.
Szelenberger, Waldemar; Niemcewicz, Szymon; Dąbrowska, Anna Justyna (2009). "Sleepwalking and night terrors: Psychopathological and psychophysiological correlates". International Review of Psychiatry. 17 (4): 263–70. doi:10.1080/09540260500104573. PMID16194798.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Bjorvatn, Bjørn; Grønli, Janne; Pallesen, Ståle (2010). "Prevalence of different parasomnias in the general population". Sleep Medicine. 11 (10): 1031–4. doi:10.1016/j.sleep.2010.07.011. PMID21093361.
Szelenberger, Waldemar; Niemcewicz, Szymon; Dąbrowska, Anna Justyna (2009). "Sleepwalking and night terrors: Psychopathological and psychophysiological correlates". International Review of Psychiatry. 17 (4): 263–70. doi:10.1080/09540260500104573. PMID16194798.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)